General
- Target 2026-09-05_6160417b411a07f5c9865974abb02000_mespinoza
- Size 1.3MB
- Sample260907-y51bysfr81
- SHA256 3b92f15e51e0d21e864e2518edce285290df3860ec603e045138f4fbe92f2724
- MD5 6160417b411a07f5c9865974abb02000
- SHA1 e87f89ef5e71983e52bc057484b654d3fb01f919
- SHA512 182864cb26f417cc1a1adf24a09d6f96fabc80c1c2040e294ca2b4b5861b9f682936e44d7414edd17c3abf6ddb9c0e2cb9ac25a8a4f5eb25d1c94b177aeca189
- SSDEEP 12288:gJ65xc5GprUzEs91YjhwesXNTld5lVvYRMFlvZeLQ:mGpIYdNC5lkoZeE
- TLSH T1C555C541B6A80895FCAE9D7489668675FA32BD9F3D2DB30B1C50B22F1F338D05E25721
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-09-05_6160417b411a07f5c9865974abb02000_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-09-05_6160417b411a07f5c9865974abb02000_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-09-05_6160417b411a07f5c9865974abb02000_mespinoza
- Size 1.3MB
- SHA256 3b92f15e51e0d21e864e2518edce285290df3860ec603e045138f4fbe92f2724
- MD5 6160417b411a07f5c9865974abb02000
- SHA1 e87f89ef5e71983e52bc057484b654d3fb01f919
- SHA512 182864cb26f417cc1a1adf24a09d6f96fabc80c1c2040e294ca2b4b5861b9f682936e44d7414edd17c3abf6ddb9c0e2cb9ac25a8a4f5eb25d1c94b177aeca189
- SSDEEP 12288:gJ65xc5GprUzEs91YjhwesXNTld5lVvYRMFlvZeLQ:mGpIYdNC5lkoZeE
- TLSH T1C555C541B6A80895FCAE9D7489668675FA32BD9F3D2DB30B1C50B22F1F338D05E25721
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (10622) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Executes dropped EXE
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1